Question

find the total surface area of an open box which has abase measuring 1.3m×0.7m and height equal to 0.6m​

Answer 1

by putting this values in TSA of cuboid

Step-by-step explanation:

=2(lb+bh+hl)= 2(1.3×0.7+0.7×0.6+1.3×0.6)= 3.02 we get